【经】 英国石油学会

institute of Petroleum petroleum institute American Petroleum Institute Britain annual institute in communication institute of industrial relations institute of higher learning institute of bookkeepers institute of radio engineers migration of petroleum maturing of petroleum fortifying of petroleum products american petroleum institute American petroleum institute baume American Petroleum Institute (API) institute of chartered accountants in england wales institute of chartered accountants in australia American Institute of Ultrasound in Medicine the institute of charted accountant in england and wales Medical Artists Association of Great Britain Cardiac Society of Great Britain and Ireland